2568344749 has 8 divisors (see below), whose sum is σ = 2701117440. Its totient is φ = 2437330896.

The previous prime is 2568344729. The next prime is 2568344789. The reversal of 2568344749 is 9474438652.

2568344749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2568344749 - 2⁹ = 2568344237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2568344696 and 2568344705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568344729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436714 + ... + 442555.

It is an arithmetic number, because the mean of its divisors is an integer number (337639680).

Almost surely, 2^2568344749 is an apocalyptic number.

It is an amenable number.

2568344749 is a deficient number, since it is larger than the sum of its proper divisors (132772691).

2568344749 is a wasteful number, since it uses less digits than its factorization.

2568344749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879419.

The product of its digits is 5806080, while the sum is 52.

The square root of 2568344749 is about 50678.8392625561. The cubic root of 2568344749 is about 1369.4655327241.

The spelling of 2568344749 in words is "two billion, five hundred sixty-eight million, three hundred forty-four thousand, seven hundred forty-nine".